/*
 * Copyright 2019-2020 Shawn Peng
 * Email: shawnpeng@yeah.net
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.quantworld.app.broker.gateway;

public class MySingleton {

  public enum MyEnumSingle{
    INSTANCE;
    private MySingleton singleOne;

    private MyEnumSingle(){
      System.out.println("初始化单例");
      singleOne = new MySingleton();
    }

    public MySingleton getInstance(){
      return singleOne;
    }
  }

  private MySingleton(){}

  public static MySingleton getInstance(){
    return MyEnumSingle.INSTANCE.getInstance();
  }

}
